1872485204381 has 8 divisors (see below), whose sum is σ = 2162870610624. Its totient is φ = 1602126377920.

The previous prime is 1872485204377. The next prime is 1872485204383. The reversal of 1872485204381 is 1834025842781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1872485204381 - 2² = 1872485204377 is a prime.

It is a super-2 number, since 2×1872485204381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872485204383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5006644745 + ... + 5006645118.

It is an arithmetic number, because the mean of its divisors is an integer number (270358826328).

Almost surely, 2^{1872485204381} is an apocalyptic number.

1872485204381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1872485204381 is a deficient number, since it is larger than the sum of its proper divisors (290385406243).

1872485204381 is a wasteful number, since it uses less digits than its factorization.

1872485204381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013289891.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 1872485204381 in words is "one trillion, eight hundred seventy-two billion, four hundred eighty-five million, two hundred four thousand, three hundred eighty-one".